<template>
<div>
  <!--    面包屑 导航区域-->
  <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>权限管理</el-breadcrumb-item>
    <el-breadcrumb-item>角色列表</el-breadcrumb-item>
  </el-breadcrumb>
  <el-card>
    <!--        添加校色-->
    <el-row>
      <el-col>
        <el-button type="primary" >添加角色</el-button>
      </el-col>
    </el-row>
<!--    角色列表-->
    <el-table :data="rouseList" border stripe >
<!--      展开列-->
      <el-table-column type="expand">
        <template v-slot="scope">
          <el-row  :class="['bdbottom' ,i1===0 ? 'bdtop' :'','vcenter']"
                  v-for="(item1 ,i1) in scope.row.children" :key="item1.id" >
<!--            一级权限-->
            <el-col :span="5">
              <el-tag closable @close="removeRightByte(scope.row,item1.id)">{{item1.authName}} </el-tag>
              <i class="el-icon-caret-right"></i>
            </el-col>
<!--            二级和三级权限-->
            <el-col :span="19">
<!--              //通过for循环遍历二级数组-->
              <el-row :class="[i2===0 ?'':'bdtop','vcenter']" v-for="(item2 ,i2) in item1.children" :key="item2.id" >
              <el-col :span="6">
                <el-tag closable @close="removeRightByte(scope.row,item2.id)"  type="success">{{item2.authName}}</el-tag>
                <i class="el-icon-caret-right"></i>
              </el-col>
              <el-col :span="18">
                <el-tag type="warning" v-for="(item3 ) in item2.children" :key="item3.id" closable @close="removeRightByte(scope.row,item3.id)">
                      {{item3.authName}}
                </el-tag>
              </el-col>
              </el-row>
            </el-col>
          </el-row>
        </template>
      </el-table-column>
<!--      索引列-->
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="角色名称" prop="roleName"></el-table-column>
      <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
      <el-table-column label="操作" width="300px">
        <template v-slot="scope">
          <el-button size="mini" type="primary" icon="el-icon-edit">搜索</el-button>
          <el-button size="mini" type="danger" icon="el-icon-delete">编辑</el-button>
          <el-button size="mini" type="warning" icon="el-icon-setting"
          @click="showdatabasesr(scope.row)">分配权限</el-button>
        </template>
      </el-table-column>
    </el-table>
<!--    添加用户-->
  </el-card>
<!--  分配权限-->
  <el-dialog
    title="分配权限"
    :visible.sync="setRetrouter"
    width="50%"
  @close="stdingplgClodes">
<!--    数形空间-->
    <el-tree :data="rightsList" :props="treePref" show-checkbox node-key="id" default-expand-all
             :default-checked-keys="defkes" ref="trueRef"></el-tree>
    <span slot="footer" class="dialog-footer">
    <el-button @click="setRetrouter = false">取 消</el-button>
    <el-button type="primary" @click="alertUst" >确 定</el-button>
  </span>
  </el-dialog>
<!--  添加用户-->
<!--  <el-dialog-->
<!--    title="提示"-->
<!--    :visible.sync="isdialogVisible"-->
<!--    width="30%"-->
<!--  >-->
<!--    <span>这是一段信息</span>-->
<!--    <span slot="footer" class="dialog-footer">-->
<!--    <el-button @click="isdialogVisible = false">取 消</el-button>-->
<!--    <el-button type="primary" @click="isdialogVisible = false">确 定</el-button>-->
<!--  </span>-->
<!--  </el-dialog>-->

</div>
</template>

<script>
export default {
  name: "Rouse",
  data(){
    return {
      //    所有角色列表区域
      rouseList: [],
      //控制权限对话框的显示和隐藏
      setRetrouter:false,
      //所有权限的数字
      rightsList:[],
      //树形空间
      treePref:{
        label:'authName',
        children:'children'
      },
      //默认选中的id
      defkes:[],
      //当前分配权限的id
      roleId:''
    }
  },
  created() {
    this.getRolueList()
  },
  methods:{
    //获取所有角色的列表
   async getRolueList(){
     const {data:res} = await this.$http.get('roles')
     if (res.meta.status !==200){
       return this.$message.error("获取角色列表失败")
     }
     this.rouseList=res.data
     console.log(this.rouseList)
    },
    //根据id删除对应的权限
   async removeRightByte(role,rightId){
     //弹框提示用户是否要删除
  const  congignrisgt  = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err=>{
        return err
      })
     if ( congignrisgt!=='confirm'){
        return this.$message.info('取消了删除')

     }
    const {data:res} = await this.$http.delete(`roles/${role.id}/rights/${rightId}`)
     if (res.meta.status !==200){
       return this.$message.error('删除权限失败')
     }
     // this.getRolueList()
     role.children=res.data
    },
    //展示分配权限的对话框
   async showdatabasesr(role){
     this.roleId=role.id
        //获取所有权限的信息
     const {data:res}  =await this.$http.get('rights/tree')
     if (res.meta.status !==200){
       this.$message.error("获取权限失败")
     }else {
       this.$message.success("获取权限成功")
     }
     //获取的数字保存到data中
     this.rightsList=res.data
     // console.log(this.rightsList)
     //递归
     this.getLeafkes(role,this.defkes)
        this.setRetrouter=true
    },
    //通过递归的形式获取角色项
    getLeafkes(node,arr){
    if (!node.children){
      return arr.push(node.id)
      }
      node.children.forEach(item=>
      this.getLeafkes(item,arr))
     },
    //监听分配权限对话框的分配时间
    stdingplgClodes(){
        this.defkes=[]
    },
    //点击为角色分配权限
   async alertUst(){
      const keys=[
           ...this.$refs.trueRef.getCheckedKeys(),
          ...this.$refs.trueRef.getHalfCheckedKeys()
      ]
     // console.log(keys)
      const idStr=keys.join(',')
   const {data:res}=  await  this.$http.post(`roles/${this.roleId}/rights`,
     {rids:idStr})
     if (res.meta.status!==200){
       return this.$message.error("权限分配失败")
     }
     this.$message.success("权限分配成功")
     this.getRolueList()
     this.setRetrouter=false
   }
    },

}
</script>

<style lang="less" scoped>
.el-tag{
  margin-top: 10px;
}
.bdtop{
  border-top: 1px solid #eee;
}
.bdbottom{
  border-bottom: 1px solid #eee;
}
.vcenter{
  display: flex;
  align-items: center;
}
</style>
